should surf
Regular verb: surf - surfed- surfed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd surf
you'd surf
he'd surf
we'd surf
you'd surf
they'd surf 	I'd be surfing
you'd be surfing
he'd be surfing
we'd be surfing
you'd be surfing
they'd be surfing	I should've surfed
you should've surfed
he should've surfed
we should've surfed
you should've surfed
they should've surfed	I should've been surfing
you should've been surfing
he should've been surfing
we should've been surfing
you should've been surfing
they should've been surfing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't surf
you shouldn't surf
he shouldn't surf
we shouldn't surf
you shouldn't surf
they shouldn't surf 	I shouldn't be surfing
you shouldn't be surfing
he shouldn't be surfing
we shouldn't be surfing
you shouldn't be surfing
they shouldn't be surfing	I shouldn't have surfed
you shouldn't have surfed
he shouldn't have surfed
we shouldn't have surfed
you shouldn't have surfed
they shouldn't have surfed	I shouldn't have been surfing
you shouldn't have been surfing
he shouldn't have been surfing
we shouldn't have been surfing
you shouldn't have been surfing
they shouldn't have been surfing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I surf?
should you surf?
should he surf?
should we surf?
should you surf?
should they surf? 	should I be surfing?
should you be surfing?
should he be surfing?
should we be surfing?
should you be surfing?
should they be surfing? 	should I have surfed?
should you have surfed?
should he have surfed?
should we have surfed?
should you have surfed?
should they have surfed? 	should I have been surfing?
should you have been surfing?
should he have been surfing?
should we have been surfing?
should you have been surfing?
should they have been surfing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I surf?
shouldn't you surf?
shouldn't he surf?
shouldn't we surf?
shouldn't you surf?
shouldn't they surf? 	shouldn't I be surfing?
shouldn't you be surfing?
shouldn't he be surfing?
shouldn't we be surfing?
shouldn't you be surfing?
shouldn't they be surfing? 	shouldn't I have surfed?
shouldn't you have surfed?
shouldn't he have surfed?
shouldn't we have surfed?
shouldn't you have surfed?
shouldn't they have surfed? 	shouldn't I have been surfing?
shouldn't you have been surfing?
shouldn't he have been surfing?
shouldn't we have been surfing?
shouldn't you have been surfing?
shouldn't they have been surfing?